10.5mm mounting hole, 8-10mm dia. screw axle fit. -Widened and anti-slip bottom hold ground firmly.
The "Kids Bike Kickstand for 12 14 16 18 20 Inch Wheel Bicycle Side Kick Stand" would be an excellent fit for children who need a convenient way to keep their feet elevated while riding a bicycle, making it easier to reach the ground once they've stopped pedaling.